CN111029858B - A kind of interface unit - Google Patents

A kind of interface unit Download PDF

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Publication number
CN111029858B
CN111029858B CN201911286006.9A CN201911286006A CN111029858B CN 111029858 B CN111029858 B CN 111029858B CN 201911286006 A CN201911286006 A CN 201911286006A CN 111029858 B CN111029858 B CN 111029858B
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China
Prior art keywords
annular
signal
conductive terminals
connector
connecting assembly
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Active
Application number
CN201911286006.9A
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Chinese (zh)
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CN111029858A (en
Inventor
何家勇
陈勇利
张华�
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Jiangsu Jicui Zhongyi Technology Industry Development Co ltd
AAC Module Technologies Changzhou Co Ltd
Original Assignee
Ruisheng Precision Manufacturing Technology Changzhou Co ltd
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Priority to CN201911286006.9A priority Critical patent/CN111029858B/en
Publication of CN111029858A publication Critical patent/CN111029858A/en
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Publication of CN111029858B publication Critical patent/CN111029858B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

Abstract

The invention provides a connector, which comprises a first connecting component and a second connecting component which can be inserted and matched, wherein the first connecting component comprises a first insulating part, a plurality of first conductive terminals arranged on the first insulating part, a first signal shielding part arranged around the first conductive terminals in a surrounding manner and a second signal shielding part arranged among the first conductive terminals; the second connecting assembly comprises a second insulating part, a plurality of second conductive terminals arranged on the second insulating part, a third signal shielding part arranged around the second conductive terminals in a surrounding mode and used for being connected with the grounding potential, and a fourth signal shielding part arranged among the second conductive terminals and used for being connected with the grounding potential; when the first connecting assembly and the second connecting assembly are spliced and matched, the first conductive terminal is contacted with the second conductive terminal; the first signal shield makes a multi-point annular contact with the third signal shield and the second signal shield makes at least a two-point contact with the fourth signal shield.

Description

A kind of interface unit
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of communication, in particular to a connector.
[ background of the invention ]
Prior art board-to-board connectors have been widely used in many electronic products to connect different functional modules. They provide design, manufacturing and service flexibility for many products. The radio frequency board-to-board connector is used for connecting the radio frequency module to other functional circuits. Due to the higher operating frequency range and susceptibility to interference from other signals, certain considerations in such connector designs exist, such as size and shielding from interfering signals.
Therefore, how to reduce the signal interference of the connector is a hot topic that those skilled in the art are studying.
[ summary of the invention ]
The invention provides a connector, aiming at solving the problem of signal interference of the connector.
In order to achieve the above object, the present invention provides a connector, which includes a first connecting assembly and a second connecting assembly that are mated with each other in a pluggable manner, wherein the first connecting assembly includes a first insulating member, a plurality of first conductive terminals mounted on the first insulating member, a first signal shielding member that is annularly disposed around the first conductive terminals and is used for connecting with a ground potential, and a second signal shielding member that is disposed between the plurality of first conductive terminals and is used for connecting with the ground potential;
the second connecting assembly comprises a second insulating part, a plurality of second conductive terminals arranged on the second insulating part, a third signal shielding part arranged around the second conductive terminals in a surrounding mode and used for being connected with the ground potential, and a fourth signal shielding part arranged among the second conductive terminals and used for being connected with the ground potential;
when the first connecting assembly and the second connecting assembly are spliced and matched, the first conductive terminal is contacted with the second conductive terminal; the first signal shield forms a multi-point annular contact with the third signal shield, and the second signal shield forms at least a two-point contact with the fourth signal shield.
Preferably, the second signal shield is provided with at least two clamping parts, and the fourth signal shield is provided with at least two insertion parts;
when the first connecting component and the second connecting component are in splicing fit, the clamping part elastically clamps the splicing part.
Preferably, the first insulating part is provided with a first annular mounting part and a limiting part positioned in the first annular mounting part, and a first annular groove is formed between the first annular mounting part and the limiting part;
the first signal shield is arranged on the first annular mounting part;
the plurality of first conductive terminals are arranged in two rows on two opposite sides of the limiting part respectively and exposed out of the first annular groove;
the limiting portion is provided with an opening, and the second signal shielding piece is arranged between the two rows of the first conductive terminals and exposed out of the limiting portion through the opening.
Preferably, the first signal shielding element includes a first body portion, the first body portion is annular and is sleeved on an outer wall of the first annular mounting portion, and when the first connecting assembly and the second connecting assembly are in inserting fit, the first body portion and the second connecting assembly form a multi-point annular contact.
Preferably, the first signal shielding element further includes a notch shielding portion, first notches are formed at two opposite sides of the first body portion to avoid the first conductive terminal, and the notch shielding portion is disposed opposite to the first notch and is connected to the first body portion and the ground potential.
Preferably, the first annular mounting portion is provided with a protrusion, and the first body portion is provided with a clamping groove for being matched with the protrusion.
Preferably, the second insulating member is provided with a second annular mounting part and a third annular mounting part, and a second annular groove is formed between the second annular mounting part and the third annular mounting part;
the third signal shield is mounted to the second annular mounting portion;
the second conductive terminals are respectively arranged on two opposite sides of the third annular mounting part in two rows and exposed out of the second annular groove;
the fourth signal shielding piece is arranged between the two rows of the second conductive terminals;
when first connecting elements with during the grafting cooperation of second connecting elements, first annular installation department pegs graft in the second ring channel, third annular installation department pegs graft in the first ring channel.
Preferably, the relative both sides of first annular installation department are provided with the spacing groove, second annular installation department with be provided with between the third annular installation department with spacing groove complex stopper.
Preferably, the third signal shielding element includes a second main body portion, a plurality of elastic contact elements disposed on the second main body portion, and an engaging element disposed on a side of the second main body portion close to the first connecting assembly;
when the first connecting assembly and the second connecting assembly are in splicing fit, the elastic contact piece elastically clamps the first body part, and the fitting piece is fitted with the first signal shielding piece in an annular circumferential direction to form an annular shield.
Preferably, the first connection assembly further comprises a first substrate connected with the first insulating member;
the first substrate is provided with the grounding potential, one end of the first body part is fixed on the first substrate, a first gap is formed between the first body part and the first substrate, and the gap shielding part is bridged on the first gap, is connected with the first body part and the first substrate at two ends of the first gap and is electrically connected with the grounding potential;
the second connecting assembly further comprises a second substrate connected with the second insulating member;
the second substrate is provided with the ground potential, and one end of the second body portion is fixed to the second substrate and electrically connected to the ground potential.
Compared with the prior art, the connector provided by the invention comprises a first connecting component and a second connecting component which can be matched in a plug-in manner, wherein the first connecting component is provided with a second signal shielding part which is arranged among a plurality of first conductive terminals so as to divide the first conductive terminals into two groups of signal terminals, and the periphery of the first conductive terminals is provided with the first signal shielding part in an annular structure; the second connecting assembly is provided with the fourth signal shielding part, the fourth signal shielding part is arranged among the plurality of second conductive terminals to divide the second conductive terminals into two groups of signal terminals, and meanwhile, the third signal shielding parts of annular structures are arranged on the periphery of the second conductive terminals.
When the first connecting assembly and the second connecting assembly are spliced and matched, two groups of signal terminals of the first conductive terminal are contacted with two groups of signal terminals of the second conductive terminal to realize electric connection; the first signal shield is electrically connected to the third signal shield and the second signal shield is electrically connected to the fourth signal shield in a multi-point contact.
An outer annular shield is formed by the first signal shield and the third signal shield, so that signal leakage of the first conductive terminal and the second conductive terminal in the connector is reduced.
Furthermore, the effective shielding of signal transmission between two sets of signal terminals is formed inside the connector by utilizing the second signal shielding piece and the fourth signal shielding piece, so that the inner and outer all-around high-efficiency shielding low leakage is formed, and the problems of mutual interference and signal leakage between internal signals of the connector are well solved.
[ description of the drawings ]
FIG. 1 is a schematic diagram of an exploded view of a connector provided by the present invention;
FIG. 2 is a perspective view of a first connector assembly of the connector of the present invention;
FIG. 3 is a schematic view of an exploded view of a first coupling assembly of the connector of the present invention;
FIG. 4 is a schematic perspective view of a second connecting member of the connector of the present invention;
FIG. 5 is a schematic view of an exploded view of a second connecting member of the connector of the present invention;
fig. 6 is a schematic cross-sectional view of the first and second connecting members of the connector in a plug-fit manner.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the connector 1 includes a first connecting element 10 and a second connecting element 20, and the first connecting element 10 and the second connecting element 20 can be plugged and matched to be electrically connected.
Referring to fig. 2-3, the first connection assembly 10 includes a first substrate 11, a first insulator 12, a plurality of first conductive terminals 13 mounted on the first insulator 12, a first signal shielding member 14 disposed around the first conductive terminals 13 and used for connecting to a ground potential, and a second signal shielding member 15 disposed between the plurality of first conductive terminals 13 and used for connecting to the ground potential, wherein the second signal shielding member 15 divides the plurality of first conductive terminals 13 into two sets of signal terminals, and each set of signal terminals includes at least two first conductive terminals 13.
The first substrate 11 provides a carrier, and the first insulating member 12 is disposed on one side of the first substrate 11. The first conductive terminal 13, the first signal shield 14 and the second signal shield 15 are mounted on the first insulator 12, and the first signal shield 14 and the second signal shield 15 are electrically connected to a ground potential provided on the first substrate 11.
Specifically, the first insulating member 12 includes a first annular mounting portion 121 and a limiting portion 122 connected to the first annular mounting portion 121 and located in the first annular mounting portion 121, and a first annular groove 123 is formed between the first annular mounting portion 121 and the limiting portion 122.
In some embodiments, the first signal shield 14 includes a first body portion 141. The first body 141 is annularly sleeved on the outer wall of the first annular mounting portion 121, and one end of the first body 141 is fixed to the first substrate 11 and electrically connected to the ground potential. When the first connection assembly 10 and the second connection assembly 20 are mated together, the first body portion 141 and the second connection assembly 20 form a multi-point annular contact.
In some embodiments, the first signal shield 14 further includes a notched shield portion 142. The opposite two sides of the end of the first main body 141 connected to the first substrate 11 are opened with a first notch 143 avoiding the first conductive terminal 13, and the notch shielding part 142 is disposed opposite to the first notch 143, and is bridged across the first notch and 143 connected to the first main body 141 and the first substrate 11 at the two ends of the first notch 143, and is electrically connected to the ground potential, so as to form an effective electromagnetic shield at the first notch 143, thereby reducing the leakage of the electrical signal transmitted by the first conductive terminal 13 from the first notch 143.
In some embodiments, the first annular mounting portion 121 is provided with a protrusion 1211, the first body portion 141 is provided with a locking groove 1411, and when the first signal shielding element 14 is mounted on the first annular mounting portion 121, the protrusion 1211 is engaged with the locking groove 1411, so that the first signal shielding element 14 can be more firmly mounted on the first annular mounting portion 121.
It is understood that the protrusion 1211 may be one or more, and may be disposed on one side or two opposite sides of the first annular mounting portion 121 without limitation, as long as the protrusion 1211 can be engaged with the locking groove 1411 disposed on the first body portion 141.
The plurality of first conductive terminals 13 are disposed in two rows on two opposite sides of the limiting portion 122 and exposed to the first annular groove 123, and each row of first conductive terminals 13 forms a group of signal transmission terminals.
An opening 1221 is formed in one side of the limiting portion 122, which is close to the second connecting assembly 20, and one or more openings 1221 may be formed, and may be provided as required.
The second signal shielding element 15 is disposed between the two rows of the first conductive terminals 13, and exposed to the limiting portion 122 through the opening 1221, for isolating the two groups of the first conductive terminals 13, so as to reduce mutual interference between signals transmitted by each row of the first conductive terminals 13.
Specifically, the second signal shielding element 15 includes a fixing portion 151 and at least two clamping portions 152 connected to the fixing portion 151, the second signal shielding element 15 is fixed to the limiting portion 122 or the first substrate 11 through the fixing portion 151, and the clamping portions 152 are exposed through the openings 1221, so that the second connecting assembly 20 is mated.
Referring to fig. 4-5, the second connecting assembly 20 includes a second substrate 21, a second insulating member 22, a plurality of second conductive terminals 23 mounted on the second insulating member 22, a third signal shielding member 24 disposed around the second conductive terminals 23 and used for connecting with the ground potential, and a fourth signal shielding member 25 disposed between the plurality of second conductive terminals 23 and used for connecting with the ground potential, wherein the fourth signal shielding member 25 divides the plurality of second conductive terminals 23 into two sets of signal terminals, and each set of signal terminals includes at least two second conductive terminals 23.
The second substrate 21 provides a carrier, and the second insulating member 22 is disposed on one side of the second substrate 21. The second conductive terminal 23, the third signal shield 24, and the fourth signal shield 25 are mounted on the second insulator 22, and the third signal shield 24 and the fourth signal shield 25 are electrically connected to a ground potential provided on the second substrate 21.
The ground potential may be a ground potential formed by providing a conductive member 112 on at least one of the first substrate 11 and the second substrate 21 and connecting a signal ground with the conductive member 112, as shown in fig. 6.
Specifically, the second insulator 22 includes a second annular mounting portion 221 and a third annular mounting portion 222 disposed within the second annular mounting portion 221. A second annular groove 223 is formed between the second annular mounting portion 221 and the third annular mounting portion 222.
The third signal shield 24 is mounted to the second annular mounting portion 221. Specifically, the third signal shielding element 24 includes a second body portion 241, a plurality of elastic contact pieces 242 disposed on the second body portion 241, and an engaging member 243 disposed on a side of the second body portion 241 close to the first connecting assembly 10. The second body portion 241 extends from the second substrate 21 to the first substrate 11.
When the first connection assembly 10 and the second connection assembly 20 are mated, the elastic contact piece 242 elastically clamps the first body portion 141, and the engaging piece 243 engages with the first signal shielding piece 14 in an annular circumferential direction to form an annular shield.
That is, when the first connector assembly 10 and the second connector assembly 20 are mated, the first signal shield 14 and the third signal shield 24 cooperate to form an annular shield around the first conductive terminal 13 and the second conductive terminal 23, while forming a tight shield in a direction from the first substrate 11 to the second substrate 21.
Preferably, the plurality of elastic contact pieces 242 are respectively disposed on two opposite sides or around the second body portion 241.
The second conductive terminals 23 are disposed in two rows on two opposite sides of the third annular mounting portion 222 and exposed out of the second annular groove 223. Each row of the second conductive terminals 23 forms a group of signal transmission terminals for signal transmission with the corresponding first conductive terminals 13.
The fourth signal shield 25 is disposed between the two rows of second conductive terminals 23, and the fourth signal shield 25 is disposed with at least two insertion portions 251 to facilitate the mating of the second signal shields 15.
As shown in fig. 6, when the first connection block 10 and the second connection block 20 are mated by plugging, the first annular mounting portion 121 is inserted into the second annular groove 223, and the third annular mounting portion 222 is inserted into the first annular groove 123.
At this time, the first conductive terminal 13 contacts with the corresponding second conductive terminal 23 to perform signal transmission.
The second body portion 241 of the third signal shielding element 24 and the notch shielding portion 142 of the first signal shielding element 14 form a multi-point contact, and the elastic contact element 242 disposed on the second body portion 241 forms a multi-point contact with the first body portion 141, so as to form an effective signal shielding around the first conductive terminal 13 and the second conductive terminal 23, and avoid interference of external signals to signals transmitted by the first conductive terminal 13 and the second conductive terminal 23.
Meanwhile, the second signal shielding part 15 disposed between the first conductive terminals 13 contacts the fourth signal shielding part 25 disposed between the second conductive terminals 23, so that the first conductive terminals 13 and the second signal shielding part 15 inside the connector 1 are separated into two signal transmission groups, and mutual interference between signals transmitted by each signal transmission group is reduced.
In some embodiments, the first annular mounting portion 121 is further provided with a limiting groove 1212, and preferably, the limiting groove 1212 is disposed on two opposite sides of the first annular mounting portion 121.
A limiting block 224 matched with the limiting groove 1212 is arranged between the second annular mounting part 221 and the third annular mounting part 222.
In some embodiments, the first signal shield 14, the second signal shield 15, the third signal shield 24, and the fourth signal shield 25 are metal signal shields. It is understood that the first, second, third and fourth signal shields 14, 15, 24, 25 may not be metallic signal shields, as long as the first, second, third and fourth signal shields 14, 15, 24, 25 may be electrically conductive.
Compared with the prior art, the connector provided by the invention comprises a first connecting component and a second connecting component which can be matched in a plug-in manner, wherein the first connecting component is provided with a second signal shielding part which is arranged among a plurality of first conductive terminals so as to divide the first conductive terminals into two groups of signal terminals, and the periphery of the first conductive terminals is provided with the first signal shielding part in an annular structure; the second connecting assembly is provided with the fourth signal shielding part, the fourth signal shielding part is arranged among the plurality of second conductive terminals to divide the second conductive terminals into two groups of signal terminals, and meanwhile, the third signal shielding parts of annular structures are arranged on the periphery of the second conductive terminals.
When the first connecting assembly and the second connecting assembly are spliced and matched, two groups of signal terminals of the first conductive terminal are contacted with two groups of signal terminals of the second conductive terminal to realize electric connection; the first signal shield is electrically connected to the third signal shield and the second signal shield is electrically connected to the fourth signal shield in a multi-point contact.
An outer annular shield is formed by the first signal shield and the third signal shield, so that signal leakage of the first conductive terminal and the second conductive terminal in the connector is reduced.
Furthermore, the effective shielding of signal transmission between two sets of signal terminals is formed inside the connector by utilizing the second signal shielding piece and the fourth signal shielding piece, so that the inner and outer all-around high-efficiency shielding low leakage is formed, and the problems of mutual interference and signal leakage between internal signals of the connector are well solved.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.

Claims (8)

1. A connector comprising first and second mating components that mate in a pluggable manner, the connector comprising: the first connecting assembly comprises a first insulating part, a plurality of first conductive terminals arranged on the first insulating part, a first signal shielding part arranged around the first conductive terminals and used for being connected with the ground potential, and a second signal shielding part arranged among the first conductive terminals and used for being connected with the ground potential;
the second connecting assembly comprises a second insulating part, a plurality of second conductive terminals arranged on the second insulating part, a third signal shielding part arranged around the second conductive terminals in a surrounding mode and used for being connected with the ground potential, and a fourth signal shielding part arranged among the second conductive terminals and used for being connected with the ground potential;
when the first connecting assembly and the second connecting assembly are spliced and matched, the first conductive terminal is contacted with the second conductive terminal; the first signal shield forming a multi-point annular contact with the third signal shield, the second signal shield forming at least a two-point contact with the fourth signal shield,
the first signal shielding part comprises a first body part which is annular and is sleeved on the first insulating part;
the first signal shielding part further comprises a notch shielding part, wherein first notches avoiding the first conductive terminal are formed in two opposite sides of the first body part, and the notch shielding part is arranged opposite to the first notches and is connected with the first body part and the grounding potential;
the third signal shielding part comprises a second body part, a plurality of elastic contact pieces arranged on the second body part and an attaching part arranged on one side of the second body part close to the first connecting component;
when the first connecting assembly and the second connecting assembly are in splicing fit, the elastic contact piece elastically clamps the first body part, and the fitting piece is fitted with the first signal shielding piece in an annular circumferential direction to form an annular shield.
2. The connector of claim 1, wherein: the second signal shielding piece is provided with at least two clamping parts, and the fourth signal shielding piece is provided with at least two inserting parts;
when the first connecting component and the second connecting component are in splicing fit, the clamping part elastically clamps the splicing part.
3. The connector of claim 1, wherein: the first insulating piece is provided with a first annular mounting part and a limiting part positioned in the first annular mounting part, and a first annular groove is formed between the first annular mounting part and the limiting part;
the first signal shield is arranged on the first annular mounting part;
the plurality of first conductive terminals are arranged in two rows on two opposite sides of the limiting part respectively and exposed out of the first annular groove;
the limiting portion is provided with an opening, and the second signal shielding piece is arranged between the two rows of the first conductive terminals and exposed out of the limiting portion through the opening.
4. The connector of claim 3, wherein: the first body part is annular and is sleeved on the outer wall of the first annular installation part, and when the first connecting assembly and the second connecting assembly are in splicing fit, the first body part and the second connecting assembly form multi-point annular contact.
5. The connector of claim 4, wherein: the first annular mounting portion is provided with a protrusion, and the first body portion is provided with a clamping groove used for being matched with the protrusion.
6. The connector of claim 3, wherein: the second insulating piece is provided with a second annular mounting part and a third annular mounting part, and a second annular groove is formed between the second annular mounting part and the third annular mounting part;
the third signal shield is mounted to the second annular mounting portion;
the second conductive terminals are respectively arranged on two opposite sides of the third annular mounting part in two rows and exposed out of the second annular groove;
the fourth signal shielding piece is arranged between the two rows of the second conductive terminals;
when first connecting elements with during the grafting cooperation of second connecting elements, first annular installation department pegs graft in the second ring channel, third annular installation department pegs graft in the first ring channel.
7. The connector of claim 6, wherein: the relative both sides of first annular installation department are provided with the spacing groove, second annular installation department with be provided with between the third annular installation department with spacing groove complex stopper.
8. The connector of claim 1, wherein: the first connecting assembly further comprises a first substrate connected with the first insulating member;
the first substrate is provided with the grounding potential, one end of the first body part is fixed on the first substrate, a first gap is formed between the first body part and the first substrate, and the gap shielding part is bridged on the first gap, is connected with the first body part and the first substrate at two ends of the first gap and is electrically connected with the grounding potential;
the second connecting assembly further comprises a second substrate connected with the second insulating member;
the second substrate is provided with the ground potential, and one end of the second body portion is fixed to the second substrate and electrically connected to the ground potential.
CN201911286006.9A 2019-12-13 2019-12-13 A kind of interface unit Active CN111029858B (en)

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CN111786201B (en) * 2020-07-09 2021-08-31 瑞声新能源发展(常州)有限公司科教城分公司 Multi-polar substrate electric connector
CN112117571A (en) * 2020-09-15 2020-12-22 深圳市创益通技术股份有限公司 Board-to-board electric connector combination structure with excellent high-frequency characteristic
CN115360551A (en) * 2021-05-17 2022-11-18 日本航空电子工业株式会社 Connector and connector assembly

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JP6806028B2 (en) * 2017-01-19 2020-12-23 株式会社村田製作所 Multi-pole connector set

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